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. Author manuscript; available in PMC: 2018 Nov 21.
Published in final edited form as: Stat Methods Med Res. 2014 Nov 28;26(2):839–864. doi: 10.1177/0962280214560046

Table 2.

Label use by drug user, subclass 2, K = 10.

Drug user Never Rare Some Often Always
Yes 11 7 15 7 7
No 148 48 85 54 36